r2: Changed: added only migrations/0004_event_outbox.sql to the worktre…

ddiff --git a/migrations/0004_event_outbox.sql b/migrations/0004_event_outbox.sql
nnew file mode 100644
iindex 0000000..9de8282
---- /dev/null
++++ b/migrations/0004_event_outbox.sql
@@@ -0,0 +1,19 @@
++-- phase: expand
++-- event_outbox (tools.job.*): mirrors openvibe-sdk v0.25.1 createPgOutbox.ensureSchema.
++-- Run as the owner (DATABASE_DIRECT_URL); apps/_shared/jobs/events.js no longer calls
++-- ensureSchema at runtime.
++CREATE TABLE IF NOT EXISTS event_outbox (
++    id              bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
++    event_id        text NOT NULL UNIQUE,
++    envelope        jsonb NOT NULL,
++    traceparent     text,
++    created_at      bigint NOT NULL,
++    attempts        integer NOT NULL DEFAULT 0,
++    next_attempt_at bigint NOT NULL DEFAULT 0,
++    sent_at         bigint,
++    seq             bigint,
++    rejected_at     bigint,
++    last_error      text
++);
++CREATE INDEX IF NOT EXISTS event_outbox_due ON event_outbox (next_attempt_at, id) WHERE sent_at IS NULL AND rejected_at IS NULL;
++CREATE INDEX IF NOT EXISTS event_outbox_sent ON event_outbox (sent_at) WHERE sent_at IS NOT NULL;